Qebhabd jaeger



March 23 1926. Re; 16,296

G. JAEGER CONCRETE MIXER Original Filed Feb. 7. 1924 2 Sheets-Sheet 1 @wucm boa GE BHARD JAEGER K; ,711. ad

March 23,1926. v Re. 16,29 6

v G. JAEGER CONCRETE MIXER Original Filed Feb. 7, 1924 2 Sheets-Sheet 3 Wm RD JAEGER Reissued Mar. 23, 19126;

UNITED STATES GEB HABD JAEGEB, OF COLUMBUS, OHIO, ASSIGNOR TO THE JAEGER MACHINE COM- v I Re. 16,296

PATENT OFFICE.

PANY, OF COLUMBUS, OHIO, A. CORPORATION OF OHIO.

CONCRETE I m'rxnn.

Original No. 1,535,159, dated April 28, 1825, Serial No. 691,293, filed February 7, 1924. Application for reissue filed February 10, 1926. Serial No. 87,444.

the type that has its mixing vessel made with a single opening for the feed and discharge of the component materials usually has such vessel mounted in a frame with a skid or more commonly upon a wheeled truck to facilitate its movement from job to job. Such a mixer is usually provided with a loader bucket for feeding the materials to the mixing vessel pivoted to the frame of the machine and suitable power mecha nism for raising it to mixing vessel-feeding position and then lowering it to the ground for the reception of a fresh supply; As'it is important that the loader bucket shall he as closely to the mixer as practicable and as it must be raised to a relatively high point to deliver the materials to the mixing vessel it is a desideratum that a long radius of swing ofthe bucket to mixer feeding position be avoided.

Several varieties of means have been pro posed and illustrated in patents for accomplishing these results and the object of the present invention is to provide improved and simplified means to the same ends.

The present invention is embodied in the construction herein shown and described thefeatures of novelty being finally claimed. In the accompanying drawings-- Figure 1 is a view in side elevation 'lllUS- trating' a mixing vessel or drum and loader equipped with my invention showing the loader on the ground with some operating arts omitted for the sake of clearness of ilustration.

Fig. 2 is a similar view showing the loader raised to position to discharge its contents into themixing drum. 7

Fig. 3 is a. view in elevation looking at the left hand side of Fig. 1 with the loader vessel removed. v

Fig. 4 is a view like Fig. 1 showing a modification.

dle in a swin'gingyoke 6 journaled in bearings in a suitable frame 7. Such a. mixing drum is usually turned on its axis by means of suitable power and the yoke 6 is usually provided with means whereby it may be manually swung from left to right for shifting the drum from charging to discharging position and conversely.

8 designates the loading bucket it being provided with rear extensions 8 the ends of which are hinged at 9 to a link frame 10 that in turn is hinged'at 11 to the main frame 7 or suitable ears 12 projecting therefrom. The frame 10 constitutes a pendent swinging link connecting the loader bucket to. the main frame. The loader bucket is also equipped with a cable or cables 13 for raising and lowering it, said cables winding on'a drum or drums 14 fixed on a shaft 15 'journaled in the upper end of the main frame. The shaft 15 is driven by a sprocket chain 16 traveling around a sprocket wheel :understood and as in commonuse.

Themainframe is 'provided with a suitable'stop at 17 to limit the leftward oscillation of the link frame 10 and to afford a purchase for the weight of the'bucket in its initial swing upward. This stop is advantageously located at :1V point somewhat to the left of the vertical line from the hinging point-11 and so that the line of the axis 9 of the "link can be swung under the inclined mixing vessel when in charging position to intersect vertical lines drawn through the opening of the vessel as shown in the drawing thereby permitting the loader bucket to stand close to the main frame when it is deposited on theground. This fact also shortens and makes more direct the pull of the cables 13,

If it be desired that the loader bucket when lowered shall rest upon. a plane 18 below the laneof the bottoms of the truck resting on a level belowthat occupied by the wheels;

A'coil spring 19 can be attached to the.

link and the stop bar adapted .to have its tension increased when the bucket is raised to aid in drawing the loader bucket from its;

charging position especially if it passes the i center of gravity in goinglto charging position. a

In operation the cables raise the bucket initially about the axis 9 until the extensions 8 abut against the u per portion of the link frame after which the bucket turns on the axis 11 to discharging position as indicated in Fig. 2. I

The forms of the parts can be changed without departing from the gist of the invention as claimed.

What I claim is:

1. The combination with a mixing vessel and a frame for su porting the same, of a loader bucket for tile mixing vessel, means for ivoting said bficket with reference to the rame consisting of a'pendently hinged link, said link having a. hinged connection at its free end with the loader bucket, and

means for raising the bucket first 0n the lower axis-and then on the other to mixing vessel charging position. I

2. The combination with a mixing vessel and a frame for su porting the same, of a oader bucket for t e'mixing vessel, means or the rame, consisting of a pendently hinged link to oscillate from one side of a. verticil line from its hinging axis to the other, said link having a hinged connection at its..free

means for raising the bucket first on the lower axis and then on the other to mixing vesseljcharging position and a sto for limiting the swing of said link at its innermost position.

ivoting said 'bufcketwith reference to 4. The combination with a mixing vessel and a frame for supporting the same, of a loader bucket for the inixing vessel, means forgizoting said bucket with reference to the meoonsisting of a pendently hinged hnk, said link having a hinged connection at its free end with the loader bucket, means for raising the bucket first on the lower axis and then on the other to mixing vessel charging position, and a spring acting on said bucket tending to draw it from said charging'position.

5; The combination with. a mixing vessel adapted to swing from charging to a' discharging position and a frame for support ing the same, of a bucket for charging the mixing vessel, means for pivotin said bucket including a pendent link inged at it upper end with reference to said supportin frame and havingsaid bucket hinged t ereto at its lower or free end, said pendent link adapted to swing from the outer side of thevertica'l plane, of the axis of vsaid uplper hinge to avertical plane parallel'to t e swinging axisof the mixing vessel and intersectin ithe charging opening of said mixing vesse when the lat ter is in charging position, and means for raising the bucket to charging position'on said hinging connections. a

6. The combination with a mixing vesse' adapted to swing from a charging to a dis-' charfi'ng position and a frame forrsupportmg e same, of a basket for charging the mixing vessel, means for pivoting said bucket includin'gajpendent-"link hin d at its upper endw'itli reference to said sup porting frame and having saidbucket hinged thereto at its lower or freelend, said pendentlink adapted to swing fro'mtheouter side-of the vertical plane of the-axis offsaid upper hinge to a position beneath the charging endf of the mixing vessel when the latter is in char ing position, and means for raising-the buc etto charging'position connections;

on said hmging u i.

' GEBHARD JAEGER. 

